java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/SifaC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem04_label35.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-55cd5f5 [2019-08-14 11:05:48,387 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-14 11:05:48,389 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-14 11:05:48,401 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-14 11:05:48,402 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-14 11:05:48,403 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-14 11:05:48,404 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-14 11:05:48,406 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-14 11:05:48,408 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-14 11:05:48,409 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-14 11:05:48,410 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-14 11:05:48,411 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-14 11:05:48,411 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-14 11:05:48,412 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-14 11:05:48,413 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-14 11:05:48,414 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-14 11:05:48,415 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-14 11:05:48,416 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-14 11:05:48,418 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-14 11:05:48,420 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-14 11:05:48,421 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-14 11:05:48,422 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-14 11:05:48,423 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-14 11:05:48,424 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-14 11:05:48,426 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-14 11:05:48,430 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-14 11:05:48,430 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-14 11:05:48,431 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-14 11:05:48,432 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-14 11:05:48,433 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-14 11:05:48,433 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-14 11:05:48,434 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-14 11:05:48,434 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-14 11:05:48,434 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-14 11:05:48,435 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-14 11:05:48,436 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-14 11:05:48,437 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-08-14 11:05:48,451 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-14 11:05:48,451 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-14 11:05:48,453 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-14 11:05:48,453 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-14 11:05:48,453 INFO L138 SettingsManager]: * Use SBE=true [2019-08-14 11:05:48,453 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-14 11:05:48,454 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-14 11:05:48,454 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-14 11:05:48,454 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-14 11:05:48,454 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-14 11:05:48,454 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-14 11:05:48,455 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-14 11:05:48,455 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-14 11:05:48,455 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-14 11:05:48,455 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-14 11:05:48,455 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-14 11:05:48,456 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-14 11:05:48,456 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-14 11:05:48,456 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-14 11:05:48,456 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-14 11:05:48,456 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-14 11:05:48,457 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-14 11:05:48,457 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-14 11:05:48,457 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-14 11:05:48,457 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-14 11:05:48,458 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-14 11:05:48,458 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-14 11:05:48,458 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-14 11:05:48,458 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-14 11:05:48,488 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-14 11:05:48,507 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-14 11:05:48,511 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-14 11:05:48,513 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-14 11:05:48,513 INFO L275 PluginConnector]: CDTParser initialized [2019-08-14 11:05:48,514 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem04_label35.c [2019-08-14 11:05:48,580 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a63cc4cca/0ea0528b77c741fabce98e4271d68def/FLAG8cc6ca855 [2019-08-14 11:05:49,433 INFO L306 CDTParser]: Found 1 translation units. [2019-08-14 11:05:49,436 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem04_label35.c [2019-08-14 11:05:49,478 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a63cc4cca/0ea0528b77c741fabce98e4271d68def/FLAG8cc6ca855 [2019-08-14 11:05:49,949 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a63cc4cca/0ea0528b77c741fabce98e4271d68def [2019-08-14 11:05:49,960 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-14 11:05:49,962 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-14 11:05:49,963 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-14 11:05:49,963 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-14 11:05:49,967 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-14 11:05:49,968 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 11:05:49" (1/1) ... [2019-08-14 11:05:49,971 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4806e9aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:05:49, skipping insertion in model container [2019-08-14 11:05:49,972 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 11:05:49" (1/1) ... [2019-08-14 11:05:49,980 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-14 11:05:50,152 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-14 11:05:51,873 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-14 11:05:51,884 INFO L188 MainTranslator]: Completed pre-run [2019-08-14 11:05:52,507 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-14 11:05:52,548 INFO L192 MainTranslator]: Completed translation [2019-08-14 11:05:52,549 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:05:52 WrapperNode [2019-08-14 11:05:52,549 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-14 11:05:52,550 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-14 11:05:52,550 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-14 11:05:52,550 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-14 11:05:52,565 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:05:52" (1/1) ... [2019-08-14 11:05:52,565 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:05:52" (1/1) ... [2019-08-14 11:05:52,624 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:05:52" (1/1) ... [2019-08-14 11:05:52,626 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:05:52" (1/1) ... [2019-08-14 11:05:52,746 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:05:52" (1/1) ... [2019-08-14 11:05:52,786 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:05:52" (1/1) ... [2019-08-14 11:05:52,815 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:05:52" (1/1) ... [2019-08-14 11:05:52,846 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-14 11:05:52,846 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-14 11:05:52,847 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-14 11:05:52,847 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-14 11:05:52,848 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:05:52" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-14 11:05:52,934 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-14 11:05:52,935 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-14 11:05:52,935 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-08-14 11:05:52,935 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2019-08-14 11:05:52,935 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2019-08-14 11:05:52,936 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output4 [2019-08-14 11:05:52,936 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-14 11:05:52,936 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-08-14 11:05:52,936 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2019-08-14 11:05:52,936 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2019-08-14 11:05:52,937 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output4 [2019-08-14 11:05:52,938 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-14 11:05:52,939 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-14 11:05:52,940 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-08-14 11:05:52,941 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-14 11:05:52,941 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-14 11:05:52,942 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-14 11:05:57,674 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-14 11:05:57,674 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-14 11:05:57,678 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.08 11:05:57 BoogieIcfgContainer [2019-08-14 11:05:57,683 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-14 11:05:57,683 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-14 11:05:57,683 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-14 11:05:57,684 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-14 11:05:57,685 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.08 11:05:57" (1/1) ... [2019-08-14 11:06:01,698 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-14 11:06:01,701 INFO L168 Benchmark]: Toolchain (without parser) took 11738.08 ms. Allocated memory was 140.0 MB in the beginning and 652.7 MB in the end (delta: 512.8 MB). Free memory was 72.3 MB in the beginning and 84.0 MB in the end (delta: -11.8 MB). Peak memory consumption was 531.9 MB. Max. memory is 7.1 GB. [2019-08-14 11:06:01,702 INFO L168 Benchmark]: CDTParser took 0.50 ms. Allocated memory is still 140.0 MB. Free memory was 106.1 MB in the beginning and 105.9 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-14 11:06:01,704 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2586.08 ms. Allocated memory was 140.0 MB in the beginning and 289.4 MB in the end (delta: 149.4 MB). Free memory was 72.0 MB in the beginning and 174.9 MB in the end (delta: -102.9 MB). Peak memory consumption was 80.8 MB. Max. memory is 7.1 GB. [2019-08-14 11:06:01,705 INFO L168 Benchmark]: Boogie Preprocessor took 296.41 ms. Allocated memory is still 289.4 MB. Free memory was 174.9 MB in the beginning and 144.3 MB in the end (delta: 30.6 MB). Peak memory consumption was 30.6 MB. Max. memory is 7.1 GB. [2019-08-14 11:06:01,706 INFO L168 Benchmark]: RCFGBuilder took 4836.41 ms. Allocated memory was 289.4 MB in the beginning and 417.3 MB in the end (delta: 127.9 MB). Free memory was 144.3 MB in the beginning and 114.9 MB in the end (delta: 29.4 MB). Peak memory consumption was 202.0 MB. Max. memory is 7.1 GB. [2019-08-14 11:06:01,707 INFO L168 Benchmark]: Symbolic Interpretation took 4014.95 ms. Allocated memory was 417.3 MB in the beginning and 652.7 MB in the end (delta: 235.4 MB). Free memory was 114.9 MB in the beginning and 84.0 MB in the end (delta: 30.8 MB). Peak memory consumption was 297.2 MB. Max. memory is 7.1 GB. [2019-08-14 11:06:01,712 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 4676]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: Over-approximation of reachable states at this location is 65457#(and (= ~a14~0 18) (= 1 ~a7~0) (= 1 ~a1~0) (= 1 ~a3~0) (= ~a28~0 17) (= ~a25~0 1) (= 16 ~a4~0) (= ~a26~0 17)). Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.50 ms. Allocated memory is still 140.0 MB. Free memory was 106.1 MB in the beginning and 105.9 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 2586.08 ms. Allocated memory was 140.0 MB in the beginning and 289.4 MB in the end (delta: 149.4 MB). Free memory was 72.0 MB in the beginning and 174.9 MB in the end (delta: -102.9 MB). Peak memory consumption was 80.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 296.41 ms. Allocated memory is still 289.4 MB. Free memory was 174.9 MB in the beginning and 144.3 MB in the end (delta: 30.6 MB). Peak memory consumption was 30.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 4836.41 ms. Allocated memory was 289.4 MB in the beginning and 417.3 MB in the end (delta: 127.9 MB). Free memory was 144.3 MB in the beginning and 114.9 MB in the end (delta: 29.4 MB). Peak memory consumption was 202.0 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 4014.95 ms. Allocated memory was 417.3 MB in the beginning and 652.7 MB in the end (delta: 235.4 MB). Free memory was 114.9 MB in the beginning and 84.0 MB in the end (delta: 30.8 MB). Peak memory consumption was 297.2 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...